# NTSB LAX70AL063: Cessna 150F, N6811F, Tucson, AZ, April 9, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 9, 1970
- Place: Tucson, AZ · TUCSON, AZ
- Location: 32.2217° N, 110.9265° W: Placed by OpenAirDocs: center of Tucson, AZ, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.2217&lon=-110.9265&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious, 1 minor
- Status: Completed, report July 27, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 141000
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70AL063
- Page: https://openairdocs.org/ntsb/LAX70AL063

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0554   70/4/9    TUCSON,ARIZ         CESSNA 140A         CR-  0  2  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1825                    N9696A              PX-  0  0  0  DUAL                      AGE 27, 692 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - FREEWAY
        DEPARTURE POINT             INTENDED DESTINATION
          TUCSON,ARIZ                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - NO CONTROL                          RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - NOT INSTALLED
        REMARKS- C-140 MADE CLOSE-IN BASE LEG WITH C-150 ON FINAL APCH.C-150 HAD OP RADIO,C-140 NOT RADIO EQUIPPED.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0554   70/4/9    TUCSON,ARIZ         CESSNA 150F         CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 35, 45 TOTAL
        TIME - 1825                    N6811F              PX-  0  0  0  SOLO                      HOURS, 4 IN TYPE, NOT
                                       DAMAGE-DESTROYED    OT-  0  2  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - FREEWAY
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          DAVIS MONTHAN AFB           LOCAL                        TUCSON,ARIZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH IN FLIGHT                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
         SPECIAL DATA
          SEGMENTS OF AVIATION INVOLVED - SMALL US GEN.AV.-SMALL US GEN.AV.
          CONTROLLING AGENCY - UNICOM                              RADAR CTL/SURVEILLANCE - RADAR SERVICE NOT AVAILABLE
          TRAFFIC ADVISORY ISSUED - NONE                           CONTROLLED/UNCONTROLLED AIRPORT - UNCONTROLLED AIRPORT
          CONTROL ZONE/AREA - NO                                   EVASIVE ACTION TAKEN - NO
          ANTI-COLLISION LIGHTS - INSTALLED,OPERATION UNKNOWN
        REMARKS- BOTH ACFT CRASHED ON RWY.
```

## Aircraft 1

- Registration: [N6811F](https://openairdocs.org/deregistered/N6811F-1970-06-09), registration cancelled 1970-06-09, S/N 15063411 (OpenAirDocs)
- Reported make and model: CESSNA 150F
- Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Freeway

## Aircraft 2

- Registration: [N9696A](https://openairdocs.org/deregistered/N9696A-1970-05-05), registration cancelled 1970-05-05, S/N 15417, built 1950 (OpenAirDocs)
- Reported make and model: CESSNA 140A
- Registry model: [Cessna 140A](https://openairdocs.org/model/cessna-140a) (registry code 2071604) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Freeway

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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